Datasheet

www.tektronix.com/dmm4050_4040 7
Digital Multimeters – Tektronix DMM4050 and DMM4040
AC Voltage Specifications
AC Voltage specifications are for AC sinewave signals >5% of range. For inputs
from 1% to 5% of range and <50 kHz, add an additional error of 0.1% of range,
and for 50 kHz to 100 kHz, add 0.13% of range.
Characteristic Description
Maximum Input 1000 V
RMS
or 1414 V peak or 8 × 10
7
Volts-Hertz product
(whichever is less) for any range
Measurement Method AC-coupled true RMS. Measures the AC component of
input with up to 1000 VDC bias on any range
AC Filter Bandwidth
Slow 3 Hz – 300 kHz
Medium 20 Hz – 300 kHz
Fast 200 Hz – 300 kHz
Common Mode
Rejection
70 dB at 50 Hz or 60 Hz ±0.1% (1 kΩ unbalance)
Maximum Crest Factor 5:1 at Full Scale
Additional Crest Factor
Errors (<100 Hz)
Crest factor 1–2, 0.05% of full scale
Crest factor 2–3, 0.2% of full scale
Crest factor 3–4, 0.4% of full scale
Crest factor 4–5, 0.5% of full scale
Only applies for non-sinusoid signals
Input Characteristics
Range Resolution Resolution Input Impedance
4½ Digits 5½ Digits 6½ Digits
100 mV 100.0000 mV 10 μV 1 μV 100 nV 1 MΩ ±2% shunted by
<100 pf
1 V 1.000000 V 100 μV 10 μV 1 μV
10 V 10.00000 V 1 mV 100 μV 10 μV
100 V 100.0000 V 10 mV 1 mV 100 μV
1000 V 1,000.000 V 100 mV 10 mV 1 mV